2005 BUICK TERRAZA ECU

{CAUTION:
Anyone who is up against, or very close to,
any airbag when it inates can be seriously
injured or killed. Airbags plus lap-shoulder
belts offer the best protection for adults, but
not for young children and infants. Neither the
vehicle’s safety belt system nor its airbag
system is designed for them. Young children
and infants need the protection that a child
restraint system can provide. Always secure
children properly in your vehicle. To read how,
seeOlder Children on page 1-34orInfants and
Young Children on page 1-37.
There is an airbag
readiness light on the
instrument panel cluster,
which shows the airbag
symbol.The system checks the airbag electrical system for
malfunctions. The light tells you if there is an electrical
problem. SeeAirbag Readiness Light on page 3-34
for more information.
Where Are the Airbags?
The driver’s frontal airbag is in the middle of the
steering wheel.
1-56

The passenger sensing system will turn off the right
front passenger’s frontal airbag and side impact airbag
(if equipped) under certain conditions. The driver’s
airbag or airbags are not part of the passenger sensing
system.
The passenger sensing system works with sensors that
are part of the right front passenger’s seat and safety
belt. The sensors are designed to detect the presence
of a properly-seated occupant and determine if the
passenger’s airbag or airbags should be enabled
(may inate) or not.
Accident statistics show that children are safer if they
are restrained in the rear rather than the front seat.
General Motors recommends that child restraints
be secured in a rear seat, including an infant riding in a
rear-facing infant seat, a child riding in a forward-facing
child seat and an older child riding in a booster seat.
Your vehicle has a rear seat that will accommodate
a rear-facing child restraint. A label on your sun visor
says, “Never put a rear-facing child seat in the
front.” This is because the risk to the rear-facing child
is so great, if the airbag deploys.
{CAUTION:
A child in a rear-facing child restraint can be
seriously injured or killed if the right front
passenger’s airbag inates. This is because
the back of the rear-facing child restraint
would be very close to the inating airbag.
Even though the passenger sensing system
is designed to turn off the passenger’s frontal
airbag and seat-mounted side impact airbag
(if equipped) under certain conditions, no
system is fail-safe, and no one can guarantee
that an airbag will not deploy under some
unusual circumstance, even though it is
turned off. General Motors recommends that
rear-facing child restraints be secured in
the rear seat, even if the airbag is off.
1-63

The passenger sensing system is designed to turn off
the right front passenger’s airbag or airbags if:
the right front passenger seat is unoccupied
the system determines that an infant is present in
a rear-facing infant seat
the system determines that a small child is present
in a forward-facing child restraint
the system determines that a small child is present
in a booster seat
a right front passenger takes his/her weight off of
the seat for a period of time
the right front passenger seat is occupied by a
smaller person, such as a child who has outgrown
child restraints
or if there is a critical problem with the airbag
system or the passenger sensing system.
When the passenger sensing system has turned off
the passenger’s airbag or airbags, the off indicator will
light and stay lit to remind you that the airbag or
airbags are off.
If a child restraint has been installed and the on
indicator is lit, turn the vehicle off. Remove the child
restraint from the vehicle and reinstall the child restraint
following the child restraint manufacturer’s directions
and refer toSecuring a Child Restraint in the Right Front
Seat Position on page 1-50.If after reinstalling the child restraint and restarting the
vehicle, the on indicator is still lit, check to make
sure that the vehicle’s seatback is not pressing the child
restraint into the seat cushion. If this happens, slightly
recline the vehicle’s seatback and adjust the seat
cushion if possible. Also make sure the child restraint is
not trapped under the vehicle head restraint. If this
happens, adjust the head restraint.
If the on indicator is still lit, secure the child in the child
restraint in a rear seat position in the vehicle and
check with your dealer.
The passenger sensing system is designed to enable
(may inate) the right front passenger’s airbag or airbags
anytime the system senses that a person of adult size
is sitting properly in the right front passenger’s seat.
When the passenger sensing system has allowed
the airbag or airbags to be enabled, the on indicator will
light and stay lit to remind you that the airbag or
airbags are active.
For some children who have outgrown child restraints
and for very small adults, the passenger sensing system
may or may not turn off the right front passenger’s
airbag or airbags, depending upon the person’s seating
posture and body build. Everyone in your vehicle
who has outgrown child restraints should wear a safety
belt properly — whether or not there is an airbag for
that person.
1-64

Adding Equipment to Your
Airbag-Equipped Vehicle
Q:Because I have a disability, I have to get my
vehicle modied. How can I nd out whether
this will affect my airbag system?
A:Changing or moving any parts of the front seats,
safety belts, the airbag sensing and diagnostic
module (located under the driver’s seat), or
the instrument panel can affect the operation of
the airbag system. If you have questions, call
Customer Assistance. The phone numbers and
addresses for Customer Assistance are in Step Two
of the Customer Satisfaction Procedure in this
manual. SeeCustomer Satisfaction Procedure
on page 7-2.
Restraint System Check
Checking the Restraint Systems
Now and then, make sure the safety belt reminder light
and all your belts, buckles, latch plates, retractors
and anchorages are working properly. If your vehicle
has a built-in child restraint, also periodically make sure
the harness straps, latch plates, buckle, clip, child
head restraint and anchorages are working properly.
Look for any other loose or damaged safety belt system
parts. If you see anything that might keep a safety
belt system from doing its job, have it repaired.
Torn or frayed safety belts may not protect you in a
crash. They can rip apart under impact forces. If a belt
is torn or frayed, get a new one right away.
If your vehicle has the built-in child restraint, torn or
frayed harness straps can rip apart under impact forces
just like torn or frayed safety belts can. They may not
protect a child in a crash. If a harness strap is torn
or frayed, get a new harness right away.
Also look for any opened or broken airbag covers, and
have them repaired or replaced. (The airbag system
does not need regular maintenance.)
1-67

Lock either sliding door from inside the vehicle by
moving the manual lever down. Unlock it by moving
the lever up.
With the power door locks, the sliding door lock has
a delay feature. SeeDelayed Locking on page 2-12
andDIC Vehicle Personalization (Uplevel Only)
on page 3-68.
Sliding Door Security Lock
Your vehicle is equipped with sliding door security locks
that helps prevent young children or other passengers
from opening the sliding door(s) using the inside
door handle. To use one of these locks, do the following:
1. Open the sliding door.
2. On the inside of the
sliding door(s), on the
front edge of the
door will be a lock.
Push the lever up to
engage the lock.
3. Close the door.
4. Repeat Steps 1 through 3 for the other door.
2-15

If your vehicle has power sliding door(s), you can
prevent power opening of the sliding door from the
passenger power sliding door (psd) activation switch
by pressing the psd second row passenger override
(deactivation) switch located on the overhead console.
SeePower Sliding Door (PSD) on page 2-16.
If you want to open the sliding door while the security
lock is on, unlock and open the door from the outside.
You should let adults and older children know how
the security lock works, and how to cancel the lock.
If you do not, adults or older children who ride in the
rear will not be able to open the sliding door from
the inside while the security lock feature is in use.
Canceling the Sliding Door
Security Lock
1. Unlock the sliding door and open the door from
the outside.
2. Push the security lock lever all the way down.
3. Close the door.
4. Repeat Steps 1 through 3 for the other door.
The sliding door lock will now work normally.
Power Sliding Door (PSD)
If your vehicle has this feature, you can open and close
the power sliding door(s) using the switches inside
your vehicle. You can also operate the sliding door(s)
with your remote keyless entry transmitter. SeeRemote
Keyless Entry System on page 2-4.
{CAUTION:
Leaving your children or pets unattended in
your vehicle can be dangerous. They could
operate the power sliding door. A child or
others could be injured. Do not leave children
or pets unattended in your vehicle.
2-16

If any of these conditions occur, the power sliding door
may need to be reset. If your vehicle has the dual
power sliding doors, both doors will have to be reset.
To reset a door, do the following:
1. Check to be sure the power sliding door is unlocked
and securely closed.
2. Turn the ignition to LOCK.
3. If the power sliding door overhead console switch is
in the override (deactivation) position, return to the
activation position.
4. Open the sliding door using the remote keyless
entry transmitter, overhead console switch, or
passenger switch. Allow the door to travel
fully open.
If the door does not travel to the fully open position,
press the overhead console switch to the override
(deactivation) position and slide the door fully open and
closed. Check for foreign objects in the tracks. Repeat
the procedure starting with Step 1. If the door resists
travel to the fully open position, see your dealer
for service.Liftgate
To unlock or lock the liftgate from the outside, use the
remote keyless entry transmitter. For more information,
seeRemote Keyless Entry System Operation on
page 2-5.
You can also use the power door lock switch to lock
and unlock the liftgate.
Open the liftgate using the handle located above the
license plate. Once slightly opened, the liftgate will rise
by itself. Lamps in the rear of the vehicle will come
on, illuminating the rear cargo area.
Notice:If you open the liftgate without checking
for overhead obstructions such as a garage
door, you could break the liftgate glass. Always
check to make sure the area above the liftgate
is clear before opening it.
2-22

Arming with the Power Lock Switch
Your alarm system will arm when the key is removed
from the ignition and you use the driver’s power
door lock switch, with the driver’s door open or the
passenger’s door power door lock switch with the
passenger’s door open to lock the vehicle. If you
would like to turn on power door lock switch arming,
seeDIC Vehicle Personalization (Uplevel Only) on
page 3-68
When the security light ashes quickly the system is
arming. After all doors and the liftgate are closed
and locked, the security light will begin ashing at a
very slow rate to let you know the system is armed.
Arming with the Remote Keyless Entry
Transmitter
Your alarm system will arm if the key is not in the
ignition and you use your remote keyless entry
transmitter to lock the doors. The security light will ash
to let you know the system is arming. After all doors
and the liftgate are closed and locked, the security light
will begin ashing at a very slow rate to let you know
the system is armed.
Arming with Your Key
Your alarm system will arm when you use your key to
lock the driver’s door. The security light will ash to
let you know the system is arming. After all doors and
the liftgate are closed and locked, the security light
will begin ashing at a very slow rate to let you know the
system is armed. If you would like your key not to
arm the system, seeDIC Vehicle Personalization
(Uplevel Only) on page 3-68.
Arming Conrmation
If remote unlock conrmation is on, the turn signal
lamps will ash briey to let you know when your alarm
system has disarmed. If you would not like the turn
signal lamps to ash, seeDIC Vehicle Personalization
(Uplevel Only) on page 3-68.
Disarming with the Remote Keyless
Entry Transmitter
Your alarm system will disarm when you use your
remote keyless entry transmitter to unlock the doors.
The security light will stop ashing to let you know the
system is no longer armed.
2-27